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The car in question has been standing for 2 months, and I recently took out the back lights since I had some dead old insects in there. It's a -01 330.

Anyhow, I get the 3 brake lights on if I press the brake or, when ignition is on. I also get the warning in the dashboard that something is not right with both lamps in the back.

What I've done so far:
Checked ALL the fuses in the the glove compartment (thank you Bmw for using the big fuses on the E46 since the E92 uses the mini fuses that are made for people no longer than 40 cms...)
Cleaned the areas of contact between bulb and the rear light assembly
Pulled out the gas pedal switch and shorted pins 1,2 and 3,4 (as per one inctruction I found) lights were on constantly nonetheless.
I had a look at the contact that goes into the rear light assembly, and it wasn't melted.

So the lights would stay on even when I bridge connection that goes into the brake pedal switch? I shorted out 1,2 and 3,4 thinking that might get the break lights to stop shining, and then be sure it was this switch...but it could be the BP switch anyhow?

It's a 2001 330i. I'm in Sweden and Bmw don't seem to mind much about recalls and what not, once your out of warranty. Seeing it's a 2001, warranty is long gone, and on this one I'm on my own.
Actually I've lost faith in Bmw. Recently spent roughly 2000 U$ to fix a problem with my 335. They just swap out parts, let the client pay and doesn't seem to mind at all... Anyhow my problem was due to an electrical glitch in the DME, which I found after a lot of

I'll probably just head in to Bmw to pick up a new brake pedal switch, even though I don't think that's the problem. But since I'm running out of options, that's the way to go....

That sucks bmw wont do the recall over there. The only info i could find explaining it is this recall was for a 2000 5 series but it has the same campaign number.
But it explains the problem and solution with the issue they are having. Other then a pinched wire or stuck relay (if it has a relay) its all i can think of.

Thank you for this post. I had the exact same problem fixed in the exact same way. What's weird is my car never had a fuse number nine stock, but I stuck one in and problem fixed. I was about to buy a new LCM. You saved my hundreds of dollars. Thanks!!!!